pre-mvp
All comparison categories

Decentralized knowledge networks

A knowledge economy needs verification and value flows without forcing all knowledge on-chain.

OriginTrail represents the decentralized knowledge-network category: semantic assets are published into a multi-operator network with blockchain-backed identity, verification, and token incentives. That is a different product type from an RDF store and deserves its own comparison.

Where this category excels

Network-level publishing, discovery, verification, and economic incentives.

Semantic knowledge assets designed to cross organizational boundaries.

Public anchoring and tokenized participation without one database owner.

Where Legra extends the model

Private, restricted, shared, and public workspaces participate without placing their content or execution on a blockchain.

Graph-based agreements can govern human, agent, service, and code execution beyond deterministic smart contracts.

Journals price and aggregate data, compute, custody, transport, rights, and services into multidirectional token settlement.

Questions to use in an evaluation

Which facts require public-chain anchoring, and which must remain sovereign and private?

Must agreements govern complex off-chain work by humans and agents as well as deterministic code?

Can participants price data rights, infrastructure, and services independently within one transaction?

Beyond database features

Graph features are only the substrate.

Legra also organizes the work that uses and changes the graph, the evidence needed to review that work, and the economic relationships that move data and value between parties. That operational layer is what turns graph infrastructure into data logistics infrastructure.

A complete history of the work

Legra keeps each piece of work together with the changes it made, the evidence behind it, and any costs incurred. That history stays private to the workspace and cannot be quietly rewritten.

  • Work by people, AI agents, and automated services appears in one traceable record.
  • See what is happening now, then return to the same history later for review.
Explore activity history

Layered provenance

Full provenance connects signed commits and exact deltas to task and transaction lineage, actors, delegated authority, imports, and every retained rule and premise behind derived facts.

  • Evidence answers who or what acted, on whose authority, from which inputs, and with which result.
  • Commit, activity, fact-origin, and derivation evidence remains attached to the workspace and its history.
Reasoning and derivations

Composable transaction pricing

The admitted total composes independently priced data value, compute, storage, custody, transport, external I/O, rights, and operator services instead of treating bytes as the value of data.

  • Charges, credits, refunds, penalties, and commissions contribute to the final amount.
  • Zero is an explicit price through the same accounting path, including self-operated work.
Data logistics infrastructure

Multidirectional token settlement

Every resource-consuming operation follows one path: measure, price, authorize, execute, record, and settle. Detailed evidence stays with the workspace instead of one central billing ledger.

  • Tokens can flow to data owners, infrastructure and service Operators, and the NetworkOperator treasury.
  • The same evidence supports internal chargeback and external settlement; subscriptions supply token packages rather than feature gates.
Data Products and contracts

Product-level technical deep dive

Decentralized knowledge networks: product matrix.

This matrix includes only products in the same directly comparable family. Adjacent product types belong in their own guide instead of making one oversized, apples-and-oranges scorecard.

Legra

Sovereign, content-addressed graph data logistics infrastructure

RustProprietary

OriginTrail

Decentralized knowledge graph on multi-chain blockchain

JS / TSOpen Source + Token
FeatureLegraOriginTrail
Architecture
Peer-to-peer distribution
No central server required
Data Model & Query
RDF / Linked Data native
Full-text search
Query Languages
RDF 1.2
SPARQL 1.1
SPARQL 1.2
RDF-star (RDF*)
openCypher
ISO GQL
SQL
Graph Store Protocol
GraphQL
Proprietary query language
Versioning & Branching
Git-style branching
Immutable commits
Delta / diff queries
Security & Encryption
Decentralized identity (DIDs)
planned
Enterprise & Operations
High-availability clustering
OWL / RDFS reasoning engine
Datalog reasoning
SWRL / RIF rules
LPG reasoning
SHACL / ShEx validation
Managed cloud offering
Visual graph explorer / GUI tools
Production-ready today
AI & Vector
Built-in vector search
Versioned vector indexes
Encrypted vector search
Data Model Breadth
Property graph / LPG support
ACID transactions
Immutable transaction history
Indexing & Performance
Ad-hoc index creation

Continue exploring

Follow the connected topics.

Choose your perspective